AUTO-SELF TEST OF AC MOTOR SYSTEM - Patent 0634020

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EP 0 634 020 A1

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(43)	Date of publication:
	18.01.1995 Bulletin 1995/03

(21)	Application number: 94901256.0

(22)	Date of filing: 08.11.1993

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International Patent Classification (IPC):

G01R 31/ 34^{( . )}
G01R 31/ 42^{( . )}

G01R 31/ 00^{( . )}
H02M 7/ 521^{( . )}

(86)	International application number:
	PCT/US1993/010591

(87)	International publication number:
	WO 1994/011747 (26.05.1994 Gazette 1994/12)

(84)	Designated Contracting States:
	DE ES FR GB IT SE

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Priority:

06.11.1992 US 19920972697

(71)	Applicant: GENERAL ELECTRIC COMPANY
	Schenectady, NY 12345 (US)

(72)	Inventors:
	KUMAR, Ajith, Kuttannair Erie, PA 16511 (US) STITT, Thomas, Detlor Erie, PA 16509 (US)

(74)	Representative: Pratt, Richard Wilson, et al
	London Patent Operation G.E. Technical Services Co. Inc. Essex House 12/13 Essex Street London WC2R 3AA London WC2R 3AA (GB)

(54)	AUTO-SELF TEST OF AC MOTOR SYSTEM